6605711509998 has 256 divisors, whose sum is σ = 15214989404160. Its totient is φ = 1898853580800.

The previous prime is 6605711509997. The next prime is 6605711510033. The reversal of 6605711509998 is 8999051175066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605711509997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9086260311 + ... + 9086261037.

It is an arithmetic number, because the mean of its divisors is an integer number (59433552360).

Almost surely, 2^{6605711509998} is an apocalyptic number.

6605711509998 is an abundant number, since it is smaller than the sum of its proper divisors (8609277894162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6605711509998 is a wasteful number, since it uses less digits than its factorization.

6605711509998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

The product of its (nonzero) digits is 36741600, while the sum is 66.

The spelling of 6605711509998 in words is "six trillion, six hundred five billion, seven hundred eleven million, five hundred nine thousand, nine hundred ninety-eight".